private void CheckCircularTree(WebFactorTreeNode factorTree,
List <Int32> factorIds)
{
List <Int32> childFactorIds;
if (factorTree.IsNotNull())
{
if (factorIds.Contains(factorTree.Id))
{
// Circular factor tree found.
throw new Exception("Circular factor tree found! Factor id = " + factorTree.Id);
}
else
{
factorIds.Add(factorTree.Id);
}
if (factorTree.Children.IsNotEmpty())
{
foreach (WebFactorTreeNode child in factorTree.Children)
{
childFactorIds = new List <Int32>();
childFactorIds.AddRange(factorIds);
CheckCircularTree(child, childFactorIds);
}
}
}
}
/// <summary>
/// Merge data object with this list.
/// Only objects that are not already in the list
/// are added to the list.
/// </summary>
/// <param name='data'>The data to merge.</param>
public void Merge(WebFactorTreeNode data)
{
if (data.IsNotNull() && _idHashtable[data.Id].IsNull())
{
Add(data);
}
}
public WebFactorTreeNode GetFactorTreeNode(Boolean refresh)
{
if (_factorTreeNode.IsNull() || refresh)
{
_factorTreeNode = FactorManagerTest.GetForestFactorTreeNode(GetContext());
}
return(_factorTreeNode);
}
/// <summary>
/// Load data into the WebFactorTreeNode instance.
/// </summary>
/// <param name="factorTreeNode">The factor tree node instance.</param>
/// <param name='dataReader'>An open data reader.</param>
public static void LoadData(this WebFactorTreeNode factorTreeNode,
DataReader dataReader)
{
factorTreeNode.Id = dataReader.GetInt32(FactorData.ID);
factorTreeNode.Factor = new WebFactor();
factorTreeNode.Factor.LoadData(dataReader);
factorTreeNode.Children = new List <WebFactorTreeNode>();
factorTreeNode.Parents = new List <WebFactorTreeNode>();
}
/// <summary>
/// Create a FactorInformation instance.
/// </summary>
/// <param name="context">The web service context.</param>
/// <param name='dataReader'>An open data reader.</param>
public FactorInformation(WebServiceContext context, DataReader dataReader)
{
WebFactorTreeNode childTreeNode, factorTreeNode, parentTreeNode;
// Get all factors and factor tree nodes.
FactorTreeNodes = new WebFactorTreeNodeList();
Factors = new List <WebFactor>();
while (dataReader.Read())
{
factorTreeNode = new WebFactorTreeNode();
factorTreeNode.LoadData(dataReader);
FactorTreeNodes.Merge(factorTreeNode);
Factors.Add(factorTreeNode.Factor);
}
// Get next result set.
if (!dataReader.NextResultSet())
{
throw new ApplicationException("No information about factors relations when getting factor tree");
}
// Get factor relations and build factor trees.
while (dataReader.Read())
{
try
{
parentTreeNode = FactorTreeNodes.Get(dataReader.GetInt32(FactorTreeData.PARENT_FACTOR_ID));
if (parentTreeNode != null)
{
childTreeNode = FactorTreeNodes.Get(dataReader.GetInt32(FactorTreeData.CHILD_FACTOR_ID));
if (childTreeNode != null)
{
parentTreeNode.AddChild(childTreeNode);
}
}
}
catch (ArgumentException)
{
// Suppress any errors of type ArgumentException
}
}
// Extract all factor tree nodes that
// are not child tree nodes.
FactorTrees = new List <WebFactorTreeNode>();
foreach (WebFactorTreeNode factorTree in FactorTreeNodes)
{
if (!factorTree.IsChild())
{
FactorTrees.Add(factorTree);
}
}
}
/// <summary>
/// Convert a WebFactor instance into
/// an IFactor instance.
/// </summary>
/// <param name="userContext">
/// Information about the user that makes this method call.
/// </param>
/// <param name="webFactorTree">A WebFactorTreeNode instance.</param>
/// <param name="factorTreeNodes">
/// All factor tree nodes that have been created so far.
/// This parameter is used to avoid duplication of
/// factor tree nodes (factor tree nodes with same factor attached to it)
/// if the same factor appears more than once in the tree.
/// </param>
/// <param name="factorDataTypes">List of factor data types.</param>
/// <param name="factorOrigins">List of factor origins.</param>
/// <param name="factorUpdateModes">List of factor update modes.</param>
/// <returns>An IFactorTreeNode instance.</returns>
private IFactorTreeNode GetFactorTree(IUserContext userContext, WebFactorTreeNode webFactorTree, Hashtable factorTreeNodes, FactorDataTypeList factorDataTypes, FactorOriginList factorOrigins, FactorUpdateModeList factorUpdateModes)
{
IFactorTreeNode child, factorTree;
if (factorTreeNodes.ContainsKey(webFactorTree.Factor.Id))
{
factorTree = (IFactorTreeNode)factorTreeNodes[webFactorTree.Factor.Id];
}
else
{
factorTree = new FactorTreeNode
{
DataContext = GetDataContext(userContext),
Factor = GetFactor(userContext, webFactorTree.Factor, factorDataTypes, factorOrigins, factorUpdateModes),
Id = webFactorTree.Id
};
if (webFactorTree.Children.IsNotEmpty())
{
factorTree.Children = new FactorTreeNodeList();
foreach (WebFactorTreeNode webChild in webFactorTree.Children)
{
child = GetFactorTree(userContext, webChild, factorTreeNodes, factorDataTypes, factorOrigins, factorUpdateModes);
if (child.Parents.IsNull())
{
child.Parents = new FactorTreeNodeList();
}
child.Parents.Add(factorTree);
factorTree.Children.Add(child);
}
}
factorTreeNodes.Add(webFactorTree.Factor.Id, factorTree);
}
return(factorTree);
}
public WebFactorTreeNodeTest()
{
_factorTree = null;
_factorTreeNode = null;
}
/// <summary>
/// Test if this factor tree node is child.
/// </summary>
/// <param name="parent">The factor tree node instance.</param>
/// <returns>True, if this factor tree node has parents.</returns>
public static Boolean IsChild(this WebFactorTreeNode parent)
{
return(parent.Parents.Count > 0);
}
/// <summary>
/// Add a factor tree node to the children
/// of this factor tree node.
/// </summary>
/// <param name="parent">Parent factor tree node.</param>
/// <param name='child'>Child factor tree node.</param>
public static void AddChild(this WebFactorTreeNode parent,
WebFactorTreeNode child)
{
parent.Children.Add(child);
child.Parents.Add(parent);
}
